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Topic: Bromide and bromine  (Read 5643 times)

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Offline oceanmd

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Bromide and bromine
« on: September 18, 2010, 10:48:37 PM »
1. How many valence electrons does bromide have? As it is bromide ion with -1 charge, I would think it has 8 electrons. Is this correct?
2. How many valence electrons did Mendeleev predict for bromine? I would think he correctly predicted 7 valence electrons. Or is there a different version?

Thank you very much
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Offline Bob Sacamano

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Re: Bromide and bromine
« Reply #1 on: September 18, 2010, 10:54:03 PM »
Bromide has a full valence shell (8 total valence electrons in the 4s and 4p orbital). Don't know the history involving Mendeleev.
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Offline oceanmd

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Re: Bromide and bromine
« Reply #2 on: September 18, 2010, 11:17:22 PM »
Thank you
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